[INFO] fetching crate slcext-sys 0.0.1...
[INFO] building slcext-sys-0.0.1 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate slcext-sys 0.0.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate slcext-sys 0.0.1 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slcext-sys 0.0.1
[INFO] finished tweaking crates.io crate slcext-sys 0.0.1
[INFO] tweaked toml for crates.io crate slcext-sys 0.0.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f135eb37712e84c03d83d7b79e7e14f0302c1b075ebf3f8e1d9cfa5513c2a206
[INFO] running `Command { std: "docker" "start" "-a" "f135eb37712e84c03d83d7b79e7e14f0302c1b075ebf3f8e1d9cfa5513c2a206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f135eb37712e84c03d83d7b79e7e14f0302c1b075ebf3f8e1d9cfa5513c2a206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f135eb37712e84c03d83d7b79e7e14f0302c1b075ebf3f8e1d9cfa5513c2a206", kill_on_drop: false }`
[INFO] [stdout] f135eb37712e84c03d83d7b79e7e14f0302c1b075ebf3f8e1d9cfa5513c2a206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 301901d1aab81aa12055b8b9478ef7bc0f7cad7db8299a8da856708af3c1a98a
[INFO] running `Command { std: "docker" "start" "-a" "301901d1aab81aa12055b8b9478ef7bc0f7cad7db8299a8da856708af3c1a98a", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling slcext-sys v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/lib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winapi::*`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use winapi::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slcext-sys` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "301901d1aab81aa12055b8b9478ef7bc0f7cad7db8299a8da856708af3c1a98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301901d1aab81aa12055b8b9478ef7bc0f7cad7db8299a8da856708af3c1a98a", kill_on_drop: false }`
[INFO] [stdout] 301901d1aab81aa12055b8b9478ef7bc0f7cad7db8299a8da856708af3c1a98a